[SERVER-55692] Warn users on upgrade to 5.0 if no CWWC is set Created: 01/Apr/21  Updated: 29/Oct/23  Resolved: 03/Jun/21

Status: Closed
Project: Core Server
Component/s: Replication
Affects Version/s: None
Fix Version/s: 5.0.0-rc1

Type: Task Priority: Major - P3
Reporter: Samyukta Lanka Assignee: Huayu Ouyang
Resolution: Fixed Votes: 0
Labels: pm-2130-post-rc0, post-rc0
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Backports
Duplicate
is duplicated by SERVER-55693 Warn users on downgrade from 5.0 if n... Closed
Problem/Incident
Backwards Compatibility: Fully Compatible
Backport Requested:
v5.0
Sprint: Repl 2021-05-31, Repl 2021-06-14
Participants:
Linked BF Score: 50

 Description   

We should warn users via a log message in mongod and mongos that their default write concern will change when they set FCV to be 50.

We should not log the warning for shard servers since they don't set CWWC.



 Comments   
Comment by Githook User [ 03/Jun/21 ]

Author:

{'name': 'Huayu Ouyang', 'email': 'huayu.ouyang@mongodb.com', 'username': 'huayu-ouyang'}

Message: SERVER-55692 Warn users on upgrade to/downgrade from 5.0 if no CWWC is set
Branch: v5.0
https://github.com/mongodb/mongo/commit/529013a3440c5d4de96c256c0f6bd5b40eebe074

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